CN215568003U - Double butterfly plate type butterfly valve - Google Patents

Abstract

The utility model discloses a double butterfly plate type butterfly valve which comprises a butterfly plate a, a buffer mechanism and a butterfly plate b, wherein the side surface of the butterfly plate a contacts the butterfly plate b, the outer sides of the butterfly plate a and the butterfly plate b are respectively provided with the buffer mechanism which is uniformly arranged, the buffer mechanism is specifically composed of a buffer slot a, a buffer block and a buffer slot b, the outer sides of the butterfly plate a and the butterfly plate b are respectively provided with the buffer block which is uniformly arranged, the buffer slot a is arranged above the buffer block, and the buffer slot b is arranged below the buffer block. Through the buffer block of installing align to grid in the butterfly plate outside to the dashpot has been seted up to both sides and butterfly plate contact position about the buffer block, is convenient for carry out cushioning effect to the fluid effort that the butterfly plate received, guarantees the life of butterfly plate, and installs screen frame and magnet piece in butterfly plate inboard, is convenient for clear up the effect to the fluid around the butterfly plate.

Description

Double butterfly plate type butterfly valve

Technical Field

The utility model relates to the technical field of valves, in particular to a double butterfly plate type butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

Patent number CN206617592U discloses a butterfly valve with two butterfly plates, which comprises a valve body, the butterfly plate, hand wheel and drive mechanism, drive mechanism includes a driving valve rod and two driven valve rods, two driven valve rods are located the both sides of driving valve rod, two driven valve rod upper portions and lower part all link to each other with the driving valve rod through the conveying chain, driving valve rod and two driven valve rods all are equipped with the gear with conveying chain junction, and the gear is located the outside of valve body, the hand wheel links to each other with the driving valve rod, all fix being equipped with a butterfly plate on two driven valve rods, and the butterfly plate is located the valve body. Two parallel butterfly plates are arranged in the valve body of the butterfly valve, and the gear transmission mechanism drives the double butterfly plates to run synchronously, so that the sealing performance of the butterfly valve is effectively improved, and the service life of the butterfly valve is prolonged.

This butterfly valve with two butterfly plates has following drawback: the fluid acting force that can not receive the butterfly plate carries out certain buffering and cuts down, has certain influence to the life of butterfly plate to the fluid around the butterfly plate of not being convenient for carries out the cleaning action, influences the transportation effect to the fluid. Therefore, a double butterfly plate type butterfly valve is provided.

Disclosure of Invention

The utility model mainly aims to provide a double butterfly plate type butterfly valve which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a two butterfly plate type butterfly valves, includes butterfly plate an, still includes buffer gear and butterfly plate b, butterfly plate an side contact butterfly plate b, evenly arranged's buffer gear is all installed in butterfly plate an and the butterfly plate b outside, buffer gear specifically comprises dashpot an, buffer block and dashpot b, evenly arranged's buffer block is all installed in butterfly plate an and the butterfly plate b outside, dashpot an has been seted up to the buffer block top, dashpot b has been seted up to the buffer block below.

Further, the butterfly plate comprises a cleaning mechanism, wherein the cleaning mechanism is fixedly connected to the center of the side surface of the butterfly plate a; the fluid around the butterfly plate is convenient to clean through the cleaning mechanism.

Furthermore, the cleaning mechanism is composed of a support rod, through grooves, a filter screen frame and magnet blocks, the center position of the side surface of the butterfly plate a is fixedly connected with the support rod, the filter screen frame is installed at the bottom of the support rod, the center position of the side surface of the filter screen frame is provided with the through grooves, and the uniformly arranged magnet blocks are detachably connected inside the through grooves; through screen frame and magnet piece, be convenient for to the impurity in the fluid through the butterfly plate filter the reason.

Furthermore, the top end of the supporting rod extends to the outside of the top of the adjusting frame, and the top end of the supporting rod is connected with the adjusting seat; the supporting rod can be conveniently adjusted through the adjusting seat.

Furthermore, the bottom of the adjusting frame is fixedly connected with the middle position of the top of the outer surface of the pipeline, supporting frames are welded at the bottoms of the left side and the right side of the adjusting frame, and a through hole is formed in the center of the side surface of each supporting frame in a penetrating mode; the adjusting frame and the pipeline are fixed conveniently through the supporting frame.

Compared with the prior art, the utility model has the following beneficial effects: because the buffer blocks which are evenly arranged are arranged on the outer sides of the butterfly plates a and the butterfly plates b, the impact force of fluid in the pipeline on the two groups of butterfly plates can be greatly reduced through the buffer blocks, the buffer grooves a are arranged at the contact positions of the upper parts of the buffer blocks and the butterfly plates a, and the buffer grooves b are arranged at the contact positions of the lower parts of the buffer blocks and the butterfly plates a, so that the fluid impact force on the two groups of butterfly plates can be divided under the action of the two groups of buffer grooves, the acting force of the fluid on the butterfly plates can be greatly reduced under the action of the buffer blocks and the two groups of buffer grooves, the service life of the butterfly plates is prolonged, because the support rods are fixed on the inner sides of the butterfly plates a, and the filter screen frame is arranged at the bottoms of the support rods, so that impurity particles and the like in the fluid in the pipeline can be filtered under the action of the filter screen frame, and the through grooves are arranged in the filter screen frame, and the magnet blocks can be detachably connected in the through grooves, like this under the effect of magnet piece, adsorb the magnetic substance in the impurity particulate matter, guarantee the clearance effect of the internal impurity substance of flow in the pipeline.

Drawings

Fig. 1 is a schematic view of the overall structure of a double butterfly plate type butterfly valve according to the present invention.

Fig. 2 is a schematic structural diagram of a buffering mechanism of a double butterfly plate type butterfly valve according to the utility model.

Fig. 3 is a schematic structural diagram of a cleaning mechanism of a double butterfly plate type butterfly valve according to the utility model.

In the figure: 1. a pipeline; 2. a butterfly plate a; 3. a buffer mechanism; 301. a buffer tank a; 302. a buffer block; 303. a buffer tank b; 4. a cleaning mechanism; 401. a support bar; 402. a through groove; 403. a screen frame; 404. a magnet block; 5. a support frame; 6. a through hole; 7. an adjusting bracket; 8. an adjusting seat; 9. a butterfly plate b.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a double butterfly plate butterfly valve, including butterfly plate a2, still include buffer gear 3 and butterfly plate b9, butterfly plate a2 side contact butterfly plate b9, buffer gear 3 of align to grid is all installed in butterfly plate a2 and the butterfly plate b9 outside, buffer gear 3 specifically comprises dashpot a301, buffer block 302 and dashpot b303, the buffer block 302 of align to grid is all installed in butterfly plate a2 and butterfly plate b9 outside, dashpot a301 has been seted up to buffer block 302 top, dashpot b303 has been seted up to buffer block 302 below.

The butterfly plate a2 is characterized by also comprising a cleaning mechanism 4, wherein the cleaning mechanism 4 is fixedly connected to the center of the side surface of the butterfly plate a 2; the cleaning mechanism 4 is used for conveniently cleaning the fluid around the butterfly plate.

The cleaning mechanism 4 specifically comprises a support rod 401, a through groove 402, a filter screen frame 403 and magnet blocks 404, the support rod 401 is fixedly connected to the central position of the side surface of the butterfly plate a2, the filter screen frame 403 is installed at the bottom of the support rod 401, the through groove 402 is formed in the central position of the side surface of the filter screen frame 403, and the magnet blocks 404 which are uniformly arranged are detachably connected inside the through groove 402; the filter basket 403 and the magnet block 404 facilitate the filtration of impurities in the fluid passing through the butterfly plate.

The top end of the supporting rod 401 extends to the outside of the top of the adjusting frame 7, and the top end of the supporting rod 401 is connected with the adjusting seat 8; the support rod 401 is conveniently adjusted by the adjusting seat 8.

The bottom of the adjusting frame 7 is fixedly connected with the middle position of the top of the outer surface of the pipeline 1, the bottom of the left side and the bottom of the right side of the adjusting frame 7 are welded with supporting frames 5, and the center position of the side surface of each supporting frame 5 is provided with a through hole 6; the adjusting bracket 7 and the pipeline 1 are convenient to fix through the supporting bracket 5.

It should be noted that, in the utility model, because the buffer blocks 302 are uniformly arranged at the outer sides of the butterfly plates a2 and b9, the impact force of the fluid in the pipeline 1 on the two sets of butterfly plates can be greatly reduced by the buffer blocks 302, because the buffer slot a301 is arranged at the contact position of the upper side of the buffer block 302 and the butterfly plate a2, and the buffer slot b303 is arranged at the contact position of the lower side of the buffer block 302 and the butterfly plate a2, under the action of the two sets of buffer slots, the impact force of the fluid on the two sets of butterfly plates can be divided, so that under the action of the buffer blocks 302 and the two sets of buffer slots, the acting force of the fluid on the butterfly plates can be greatly reduced, the service life of the butterfly plates can be prolonged, because the support rod 401 is fixed at the inner side of the butterfly plate a2, and the filter screen frame 403 is arranged at the bottom of the support rod 401, so that under the action of the filter screen frame 403, the impurity particles and the like in the fluid in the pipeline 1 can be filtered, and set up logical groove 402 in filter screen frame 403 is inside, can dismantle in logical groove 402 and be connected with magnet piece 404, like this under the effect of magnet piece 404, adsorb the magnetic substance in the impurity particulate matter, guarantee the clearance effect of the internal impurity substance of pipeline 1.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a two butterfly plate type butterfly valves, includes butterfly plate a (2), its characterized in that still includes buffer gear (3) and butterfly plate b (9), butterfly plate a (2) side contact butterfly plate b (9), buffer gear (3) of align to grid are all installed in butterfly plate a (2) and butterfly plate b (9) outside, buffer gear (3) specifically comprise dashpot a (301), buffer block (302) and dashpot b (303), align to grid's buffer block (302) is all installed in butterfly plate a (2) and butterfly plate b (9) outside, dashpot a (301) have been seted up to buffer block (302) top, dashpot b (303) have been seted up to buffer block (302) below.

2. A double butterfly valve according to claim 1, characterized in that: the butterfly plate is characterized by further comprising a cleaning mechanism (4), wherein the cleaning mechanism (4) is fixedly connected to the center of the side face of the butterfly plate a (2).

3. A double butterfly valve according to claim 2, characterized in that: clearance mechanism (4) specifically comprise bracing piece (401), logical groove (402), screen frame (403) and magnet piece (404), butterfly board a (2) side central point puts fixed connection and has bracing piece (401), screen frame (403) are installed to bracing piece (401) bottom, screen frame (403) side central point puts and has seted up logical groove (402), and leads to the inside magnet piece (404) of connecting align to grid of dismantling of groove (402).

4. A double butterfly valve according to claim 3, characterized in that: the top end of the supporting rod (401) extends to the outside of the top of the adjusting frame (7), and the top end of the supporting rod (401) is connected with the adjusting seat (8).

5. A double butterfly valve according to claim 4, characterized in that: adjusting bracket (7) bottom fixed connection and pipeline (1) surface top intermediate position, the welding of adjusting bracket (7) left and right sides bottom has support frame (5), support frame (5) side central point puts and offers through-hole (6).

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